diff options
Diffstat (limited to 'board/osiris/pwm.c')
-rw-r--r-- | board/osiris/pwm.c | 34 |
1 files changed, 7 insertions, 27 deletions
diff --git a/board/osiris/pwm.c b/board/osiris/pwm.c index 530a777a8f..eb178750e9 100644 --- a/board/osiris/pwm.c +++ b/board/osiris/pwm.c @@ -1,4 +1,4 @@ -/* Copyright 2022 The Chromium OS Authors. All rights reserved. +/* Copyright 2022 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -11,31 +11,11 @@ #include "pwm_chip.h" const struct pwm_t pwm_channels[] = { - [PWM_CH_KBLIGHT] = { - .channel = 3, - .flags = 0, - /* - * Set PWM frequency to multiple of 50 Hz and 60 Hz to prevent - * flicker. Higher frequencies consume similar average power to - * lower PWM frequencies, but higher frequencies record a much - * lower maximum power. - */ - .freq = 25000, - }, - [PWM_CH_FAN] = { - .channel = 5, - .flags = PWM_CONFIG_OPEN_DRAIN, - .freq = 25000 - }, + [PWM_CH_FAN] = { .channel = 5, + .flags = PWM_CONFIG_OPEN_DRAIN, + .freq = 25000 }, + [PWM_CH_FAN2] = { .channel = 3, + .flags = PWM_CONFIG_OPEN_DRAIN, + .freq = 25000 }, }; BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); - -static void board_pwm_init(void) -{ - /* - * Turn on the fan at 50%. - */ - pwm_enable(PWM_CH_KBLIGHT, 1); - pwm_set_duty(PWM_CH_KBLIGHT, 50); -} -DECLARE_HOOK(HOOK_INIT, board_pwm_init, HOOK_PRIO_DEFAULT); |